Quick answers
- Which hospitals does Michael K. Tyriver work at?
- Medicare's official clinician data lists Michael K. Tyriver at 4 hospitals: Black River Memorial Hospital, Gundersen Lutheran Medical Center, Tomah Memorial Hospital and Veterans Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael K. Tyriver see patients?
- Medicare's clinician data lists 1 practice location in Winona, MN. Call before your visit to confirm the address.
- What is Michael K. Tyriver's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Michael K. Tyriver accept Medicare assignment?
- Yes. Medicare's clinician data says Michael K. Tyriver accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael K. Tyriver?
- (507) 615-0600, as listed in official Medicare / NPI Registry data.
- What is Michael K. Tyriver's NPI number?
- 1033110499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael K. Tyriver works
Medicare's Facility Affiliation Data lists Michael K. Tyriver at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Black River Memorial HospitalBlack River Falls, WI · Critical Access Hospital · CCN 521333
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · CCN 520087
- Tomah Memorial HospitalTomah, WI · Critical Access Hospital · CCN 521320
- Veterans Memorial HospitalWaukon, IA · Critical Access Hospital · CCN 161318
Practice locations
Addresses where Michael K. Tyriver is enrolled with Medicare (CMS data updated 2026-10-02).
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
Group practices
Medicare enrollment lists Michael K. Tyriver as a member of this group (CMS data updated 2026-10-02).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Winona
Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033110499 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians